HOW NIELS BOHR CRACKED THE RARE-EARTH CODE

You can’t scroll a tech blog without bumping into a mention of rare earths—vital to EVs, renewables and defence hardware—yet almost nobody grasps their story. These 17 elements seem ordinary, but they power the devices we use daily. For decades they mocked chemists, remaining a riddle, until a quantum pioneer named Niels Bohr rewrote the r